The SI-PEX40062 4 port SATA III PCI-E 2.0 X2 controller card marvel 88SE9235 chipset adds four SATA III ports to a computer through a PCI-E 2.0 X2 slot, delivering multiple internal 6Gbps connections for SATA III hard drives and SSDs. With full support for SATA 3.0 hard drives and data transfer speeds of up to 6 Gaps, the controller card features a native PCI Express single chipset that provides enhanced compatibility, reliability and performance for SATA 600 MB/s storage needs.